CN109589749A - The processing method of tar volatile matter - Google Patents
The processing method of tar volatile matter Download PDFInfo
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- CN109589749A CN109589749A CN201811425556.XA CN201811425556A CN109589749A CN 109589749 A CN109589749 A CN 109589749A CN 201811425556 A CN201811425556 A CN 201811425556A CN 109589749 A CN109589749 A CN 109589749A
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- Prior art keywords
- volatile matter
- adsorbent
- tar volatile
- processing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Fats And Perfumes (AREA)
Abstract
The present invention provides the processing methods of tar volatile matter, comprising the following steps: (1) gas containing tar volatile matter, which enters in contact tower, to be handled, and contact tower uses fountain or bubble type；Fountain contact tower includes bottom adsorbent, second layer air inlet layer, third layer packing layer, spray head, circulating pump and gas outlet, gas containing tar volatile matter has side entrance, the adsorbent of bottom sprays into second layer air inlet layer by packing layer by spray head after circulating pump and is adsorbed, and the gas after absorption is discharged by gas outlet；Bubble type contact tower includes bottom adsorbent and gas outlet, and the gas containing tar volatile matter is entered by bottom, and the gas after absorption is discharged by gas outlet；(2) it is mixed after adsorbent adsorption saturation with eluant, eluent；(3) stratification, sorbent circulation use, and eluant, eluent carries out burning disposal.The processing method of tar volatile matter of the present invention can realize the higher removal efficiency of tar volatile matter in wide temperature range, while at low cost.
Description
Technical field
The present invention relates to the processing methods of tar volatile matter.
Background technique
Coal tar asphalt industrially has extensive use, since coal tar asphalt often contains some higher boiling oil institutes group
At hydrocarbon and some because shunting incomplete and remaining volatile materials, such as benzene class, anthracene hydrocarbon, luxuriant and rich with fragrance hydrocarbon and benzopyrene, these are more
Cyclophane hydrocarbons easily cause the damage of respiratory tract, skin, excretory system etc., while being also that leukaemia, aplastic are poor
The suspicious material of blood.In order to reduce occupational hazards caused by tar asphalt volatile matter in production, absorption method is generallyd use.Often at present
It include two class of liquid phase and solid phase with adsorbent material, liquid phase is mainly based on more hydro carbons such as diesel oil, kerosene, its shortcoming is that such is inhaled
Attached dose has certain vapour pressure, is easy to happen loss at 60 DEG C or more, influences to elute effect.And current common adsorption material
Material mainly based on active carbon, although its adsorption effect is more stable, regenerates difficulty after there is absorption, processing cost is higher
The problem of.
Summary of the invention
Technical problems to be solved: the processing method of tar volatile matter is provided, coke can be realized in wide temperature range
The oily higher removal efficiency of volatile matter, at the same it is at low cost.
Technical solution: the processing method of tar volatile matter, comprising the following steps:
(1) gas containing tar volatile matter, which enters in contact tower, to be handled, and the contact tower uses fountain or bubble type；
The fountain contact tower include bottom adsorbent, second layer air inlet layer, third layer packing layer, spray head, circulating pump and
Gas outlet, the gas containing tar volatile matter have side entrance, and the adsorbent of the bottom is after circulating pump by spray head
It sprays into second layer air inlet layer by packing layer to be adsorbed, the gas after adsorbent adsorbs is discharged by gas outlet；
The bubble type contact tower includes bottom adsorbent and gas outlet, the gas containing tar volatile matter by bottom into
Enter, the gas after adsorbent adsorbs is discharged by gas outlet；
The adsorbent is made of base oil, phosphatide, chlorinated paraffin, wherein the base oil be lubricating oil, white oil, vegetable oil,
One or more of reclaiming lubricating oil；The phosphatide is one of lecithin, hydrolecithin, soybean lecithin or several
Kind；
(2) 30min is mixed by the volume ratio of 1:1 with eluant, eluent after adsorbent adsorption saturation；
(3) 30-40min layering is stood, sorbent circulation uses, and eluant, eluent carries out burning disposal.
Further, adsorbent vapour pressure < 0.1kPa at 80 DEG C, the kinematic viscosity at 60 DEG C are 5-15mm2/
s。
Further, the chlorine in chlorinated paraffin content is 40-70%.
Further, each component content base oil 60-90%, phosphatidase 1 0-20%, chlorine in mass ratio in the adsorbent
Fossil waxes 0-20%.
Further, the eluant, eluent is made of small molecule ketone and small molecular alcohol, wherein the small molecule ketone be acetone,
One or more of butanone；The small molecular alcohol is one or more of methanol, ethyl alcohol, propyl alcohol.
Further, it is small molecule ketone 60-100%, small molecular alcohol 0- that each component content, which presses volume proportion, in the eluant, eluent
40%。
Further, the filler is one or more of aluminium oxide, silica, resin.
Further, the vegetable oil is lightization castor oil.
The utility model has the advantages that
1. capture rate reaches 80% or more after measured the present invention provides to the efficient catching method of tar volatile matter.
2. the adsorbent in the present invention is saturated adsorption rate amount to 5% or more.
3. the present invention realizes the recycling of adsorbent, after measured, eluting can remove in adsorbent 90% or more and waves
Send out object.
It, can direct burning disposal 4. cost is relatively low for eluant, eluent of the present invention.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of fountain contact tower used in the present invention.
Fig. 2 is the structural schematic diagram of bubble type contact tower used in the present invention.
Specific embodiment
Embodiment 1
The processing method of tar volatile matter, comprising the following steps:
By white oil: lecithin: chlorinated paraffin=80:10:10 volume ratio prepares adsorbent, carries out certain using bubble type contact tower
The experiment of coal tar sample volatile matter removing, records the concentration (mg/ of air inlet and air outlet polycyclic aromatic hydrocarbon by 60 DEG C of experimental temperature
m3), and the weight of the volatile matter percentage that is captured in capture rate and adsorbent is calculated, it is as a result as follows:
Use certain label kerosene as adsorbent under same experiment condition, control experiment results are as follows:
Embodiment 2
The processing method of tar volatile matter, comprising the following steps:
By reclaiming lubricating oil: soybean lecithin: chlorinated paraffin=80:10:10 volume ratio prepares adsorbent, uses bubble type
Contact tower carries out the experiment of certain ethylene bottom oil sample volatile matter removing, 60 DEG C of experimental temperature, records the polycyclic virtue of air inlet and air outlet
Concentration (the mg/m of hydrocarbon3), and the weight of the volatile matter percentage that is captured in capture rate and adsorbent is calculated, it is as a result as follows:
Above-mentioned adsorbent is used acetone: methanol=70:30 eluant, eluent elutes, and repeats volatile matter removing experiment, knot
Fruit is as follows:
Embodiment 3
The processing method of tar volatile matter, comprising the following steps:
By rilanit special: lecithin: chlorinated paraffin=70:10:20 volume ratio prepares adsorbent, uses fountain contact tower
The experiment of certain ethylene bottom oil sample volatile matter removing is carried out, filler is resin, and 60 DEG C of experimental temperature, record air inlet and air outlet are more
Concentration (the mg/m of cycloaromatics3), and the weight of the volatile matter percentage that is captured in capture rate and adsorbent is calculated, it is as a result as follows:
Claims (8)
1. the processing method of tar volatile matter, it is characterised in that: the following steps are included:
(1) gas containing tar volatile matter, which enters in contact tower, to be handled, and the contact tower uses fountain or bubble type；
The fountain contact tower include bottom adsorbent, second layer air inlet layer, third layer packing layer, spray head, circulating pump and
Gas outlet, the gas containing tar volatile matter have side entrance, and the adsorbent of the bottom is after circulating pump by spray head
It sprays into second layer air inlet layer by packing layer to be adsorbed, the gas after adsorbent adsorbs is discharged by gas outlet；
The bubble type contact tower includes bottom adsorbent and gas outlet, the gas containing tar volatile matter by bottom into
Enter, the gas after adsorbent adsorbs is discharged by gas outlet；
The adsorbent is made of base oil, phosphatide, chlorinated paraffin, wherein the base oil be lubricating oil, white oil, vegetable oil,
One or more of reclaiming lubricating oil；The phosphatide is one of lecithin, hydrolecithin, soybean lecithin or several
Kind；
(2) 30min is mixed by the volume ratio of 1:1 with eluant, eluent after adsorbent adsorption saturation；
(3) 30-40min layering is stood, sorbent circulation uses, and eluant, eluent carries out burning disposal.
2. the processing method of tar volatile matter according to claim 1, it is characterised in that: the adsorbent steams at 80 DEG C
Vapour pressure < 0.1kPa, the kinematic viscosity at 60 DEG C are 5-15mm2/s。
3. the processing method of tar volatile matter according to claim 1, it is characterised in that: the chlorine in chlorinated paraffin content
For 40-70%.
4. the processing method of tar volatile matter according to claim 1, it is characterised in that: each ingredient contains in the adsorbent
Measure base oil 60-90%, phosphatidase 1 0-20%, chlorinated paraffin 0-20% in mass ratio.
5. the processing method of tar volatile matter according to claim 1, it is characterised in that: the eluant, eluent is by small molecule ketone
It is formed with small molecular alcohol, wherein the small molecule ketone is one or more of acetone, butanone；The small molecular alcohol be methanol,
One or more of ethyl alcohol, propyl alcohol.
6. the processing method of tar volatile matter according to claim 1, it is characterised in that: each ingredient contains in the eluant, eluent
Amount is small molecule ketone 60-100%, small molecular alcohol 0-40% by volume proportion.
7. the processing method of tar volatile matter according to claim 1, it is characterised in that: the filler is aluminium oxide, oxygen
One or more of SiClx, resin.
8. the processing method of tar volatile matter according to claim 1, it is characterised in that: the vegetable oil is lightization castor-oil plant
Oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425556.XA CN109589749A (en) | 2018-11-27 | 2018-11-27 | The processing method of tar volatile matter |
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| CN201811425556.XA CN109589749A (en) | 2018-11-27 | 2018-11-27 | The processing method of tar volatile matter |
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| CN201811425556.XA Pending CN109589749A (en) | 2018-11-27 | 2018-11-27 | The processing method of tar volatile matter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496500A (en) * | 2019-08-20 | 2019-11-26 | 石家庄惠洁科技有限公司 | It is a kind of to utilize the technique of continuous adsorption-desorption processing VOC in water phase |
| CN110624365A (en) * | 2019-10-10 | 2019-12-31 | 义乌韦陀环保科技有限公司 | Soybean oil absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
| CN110624366A (en) * | 2019-10-10 | 2019-12-31 | 义乌韦陀环保科技有限公司 | Cottonseed oil absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
| CN111151098A (en) * | 2019-10-10 | 2020-05-15 | 义乌韦陀环保科技有限公司 | Waste kitchen grease absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496500A (en) * | 2019-08-20 | 2019-11-26 | 石家庄惠洁科技有限公司 | It is a kind of to utilize the technique of continuous adsorption-desorption processing VOC in water phase |
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| CN110624365A (en) * | 2019-10-10 | 2019-12-31 | 义乌韦陀环保科技有限公司 | Soybean oil absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
| CN110624366A (en) * | 2019-10-10 | 2019-12-31 | 义乌韦陀环保科技有限公司 | Cottonseed oil absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
| CN111151098A (en) * | 2019-10-10 | 2020-05-15 | 义乌韦陀环保科技有限公司 | Waste kitchen grease absorption liquid for VOC waste gas treatment, absorption method and separation and recovery method |
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Application publication date: 20190409 |